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Siemens Building Technologies Basic Documentation RVA63.242, RVA53.242 CE1P2373E
Landis & Staefa Division Description of heating engineer settings 26.03.2001
4.38 Room unit values
This setting offers the possibility of assigning the action of the room unit values to one
of the heating circuits.
Assignment of the transmitted room unit values to one of the two heating circuits:
Heating circuit values are:
− Actual value
− Actual value of the room temperature
Room unit operating modes can be assigned in the same way, using setting line 103.
Setting range Unit Factory setting
0...2 – 0
The room unit values affect the selected heating circuits, depending on the setting
made.
Entry:
0 Impact on heating circuit 1
The room unit values affect exclusively heating circuit 1.
1 Impact on heating circuit 2
The room unit values affect exclusively heating circuit 2.
2 Impact on heating circuits 1 and 2
The room unit values affect exclusively heating circuits 1 and 2.
It should be considered that the room in which the room unit is installed also is the
reference room for the room temperature influence.
4.38.1 Examples of room unit assignments
In the case of plants with two heating circuits and one room unit, it may be advisable to
choose a separate assignment of the room unit functions. The listing below shows
some typical applications with the respective settings of the room unit operating mode
(line 103) and the room unit values (line 104).
The heating circuits are in separate, independent flats or apartments. This represents
the "normal application ".
Plant type Location of heating circuits Line 103 Line 104
21/22/23/24 Not in the same space 0 0
The heating circuits are located in partly separate spaces or flats.
Plant type Location of heating circuits Line 103 Line 104
21/22/23/24 Not in the same space 2 0
Benefit
Description
Note
Setting
Effect
Reference room
Introduction
Separate flat
Bathroom heating
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